file not recognizing MP3 files?

[Andrew Watts]

On Tue, Mar 1, 2011 at 5:05 AM, Rainer Müller <raimue at macports.org> wrote:
> On 2011-03-01 03:47 , Arno Hautala wrote:
>> and annoyingly:
>>> $ /opt/local/bin/file /usr/bin/file /opt/local/bin/file
>>> /usr/bin/file:       Mach-O fat file with 2 architectures
>>> /opt/local/bin/file: Mach-O fat file with 2 architectures
>
> Interesting, I get different results:
>
> $ port -q installed file
>  file @5.05_0 (active)
> $ /opt/local/bin/file --version
> file-5.05
> magic file from /opt/local/share/misc/magic
>
> $ /usr/bin/file /usr/bin/file /opt/local/bin/file
> /usr/bin/file:       Mach-O universal binary with 2 architectures
> /usr/bin/file (for architecture x86_64):        Mach-O 64-bit executable
> x86_64
> /usr/bin/file (for architecture i386):  Mach-O executable i386
> /opt/local/bin/file: Mach-O 64-bit executable x86_64
> $ /opt/local/bin/file /usr/bin/file /opt/local/bin/file
> /usr/bin/file:       Mach-O fat file with 2 architectures
> /opt/local/bin/file: data
>

I'm seeing exactly the same output.  If I drop back to 5.04, it works
again; I suspect that the bug report that Ryan linked to is probably
the same issue, although they don't mention the additional inability
to recognize skinny Mach-O files.

>
> The sources for the Apple provided file command is here:
> http://opensource.apple.com/source/file/file-39/
>
> Would someone care to compare the sources and magic file?
>
> Rainer
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